Designation | Documentation | Outer diameter, mm | Wall thickness, mm | Strenth class/steel grade | Length, m | Note |
---|---|---|---|---|---|---|
Longitudinal arc welded steel pipes | GOST 10706−76 | 630 | 8−32 | Ст.2−3 (сп,пс,кп); 17Г1С(У); 13Г1С(У); 12Г2СБ; 10Г2ФБ(У,Ю). | 5−18,3 |
Groups: А, Б, В, Д. |
720 | 8−32 | |||||
820 | 8−32 | |||||
1020 | 10−32 | |||||
1220 | 12−32 | |||||
1420 | 14−32 |
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